Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:44:23 2012

Optimize a model with 333 rows, 343 columns and 1173 nonzeros
Presolve removed 0 rows and 23 columns
Presolve time: 0.00s
Presolved: 333 rows, 320 columns, 1150 nonzeros
Variable types: 0 continuous, 320 integer (319 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 0.000000e+00, 187 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    0.00000    0  132   57.00000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      36.0000000    0.00000   100%     -    0s
     0     0    0.20328    0  134   36.00000    0.20328  99.4%     -    0s
H    0     0                      26.0000000    0.20328  99.2%     -    0s
     0     0    0.74468    0  146   26.00000    0.74468  97.1%     -    0s
H    0     0                      16.0000000    0.74468  95.3%     -    0s
     0     0    0.74514    0  140   16.00000    0.74514  95.3%     -    0s
     0     0    0.74514    0  140   16.00000    0.74514  95.3%     -    0s
H    0     0                      11.0000000    0.74514  93.2%     -    0s
     0     2    0.74650    0  140   11.00000    0.74650  93.2%     -    0s
H   27    27                      10.0000000    1.00000  90.0%  21.7    0s
H   54    54                       9.0000000    1.00000  88.9%  13.6    0s
*   60    25              40       7.0000000    1.00000  85.7%  13.3    0s
*   88    21              19       6.0000000    1.00000  83.3%  13.9    0s

Cutting planes:
  Gomory: 3
  Zero half: 1
  Mod-K: 2

Explored 180 nodes (3845 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%